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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






2. 265-285 days






3. Look for infection - split - and rupture of the penis






4. Luteolysis happens because of the ____________ hormone






5. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm






6. Front feet and head first. (except for hogs and dogs)






7. Scar tissue plugs up chambers of udder






8. Check feet and legs - look for masculine traits in build such as crest and muscling






9. Way to know everything is alright with the breeding male






10. Animals which have many estrous periods per year (ex: cow - sow)






11. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






12. 114 days






13. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






14. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING






15. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






16. Milk ~305 days - dry 60 days prior to calving






17. (male) pushes the testes outward toward the legs for a cool-down off of the body






18. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






19. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






20. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






21. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






22. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






23. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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24. (male) pushes the testes outward toward the legs for a cool-down off of the body






25. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING






26. (switzerland) 2nd in size and milk production - most muscle -






27. Birthing process (termination of gestation)






28. Depository for semen during insemination. where urine leaves the body






29. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






30. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






31. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






32. Important 'landmark' during palpation






33. Days which have decreasing daylight hours

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34. 14-19 (17) days






35. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






36. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)






37. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






38. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






39. Animal which has been castrated after puberty






40. Failure to have both testis (gonads) descend






41. (LH) causes female's egg to break (her period)






42. 30-38 hours after estrus cycle begins






43. Prevent the cow from getting an infection from the calve






44. 283 days






45. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






46. 114 days






47. Days which have increasing daylight hours

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48. Completes uterine growth initiated by estrogen and prepares the uterus for nourishment of developing embryo if pregnancy occurs - supports pregnancy by maintaining quiescent state of reproductive tract and suppresses mating behavior - prevents ovulat






49. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






50. Luteolysis happens because of the ____________ hormone







Sorry!:) No result found.

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